Lepeta albescens (Philippi, 1846): synonym of Iothia albescens (Philippi, 1846)
Lepeta antarctica E. A. Smith, 1907: synonym of Iothia antarctica (E. A. Smith, 1907): synonym of Iothia emarginuloides (Philippi, 1868) (original combination)
Lepeta caecoides Carpenter, 1864: synonym of Lepeta caeca (O. F. Müller, 1776)
Lepeta coppingeri (E. A. Smith, 1881): synonym of Iothia emarginuloides (Philippi, 1868)
Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180–213.
Vaught, K.C.; Tucker Abbott, R.; Boss, K.J. (1989). A classification of the living Mollusca. American Malacologists: Melbourne. ISBN0-915826-22-4. XII, 195 pp